/**
***********************************************************************
*
* Copyright 2011 Stefan Wöhle
*
* This file is part of PixelMath
*
* PixelMath is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PixelMath is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PixelMath. If not, see <http://www.gnu.org/licenses/>.
*
***********************************************************************
*/

#ifndef OPERATORWIDGET_H
#define OPERATORWIDGET_H

#include "formulawidget.h"
#include "operator.h"

/*********************************************************
 *
 *  OperatorWidget
 *
 *  This class represents any operator. Every operator
 *  consists of two subformulas (left and right operand).
 *  Which operator is hold by the widgets it determined
 *  by the constructor call.
 *
 **********************************************************/

class OperatorWidget : public FormulaWidget
{
    Q_OBJECT
private:
    FormulaWidget *aWidget;
    FormulaWidget *bWidget;
public:
    explicit OperatorWidget(Operator *formula, QWidget *parent = 0);
private slots:
    void formulaChoosen(FormulaWidget *formulaWidget);
    void replaceSubwidget(QObject *destroyed);
};

#endif // OPERATORWIDGET_H
